TREATMENT OF CANCER USING CHIMERIC ANTIGEN RECEPTOR AND PROTEIN KINASE A BLOCKER

• US 20180298068A1
• Filed: 04/22/2016
• Published: 10/18/2018
• Est. Priority Date: 04/23/2015
• Status: Active Application

• Current Assignee: Novartis Ag, Trustees Of The University Of Pennsylvania (University of Pennsylvania)
• Original Assignee: Novartis Ag, Trustees Of The University Of Pennsylvania (University of Pennsylvania)
• Inventors: ALBELDA, Steven M.
• Application Number:
  US15/568,683
• Publication Number:
  US 20180298068A1
• Time in Patent Office: Days
• CPC Class Codes: A61K 2039/505 comprising antibodies
• CPC Class Codes: A61K 2039/5154 Antigen presenting cells [APCs], e.g. dendritic cells or macrophages
• CPC Class Codes: A61K 2039/54 characterised by the route of administration
• CPC Class Codes: A61K 2039/572 cytotoxic response
• CPC Class Codes: A61K 35/17 Lymphocytes; B-cells; T-cells; Natural killer cells; Interferon-activated or cytokine-activated lymphocytes when activated by a specific antigen A61K39/00
• CPC Class Codes: A61K 38/1709 from mammals
• CPC Class Codes: A61K 38/177 Receptors; Cell surface antigens; Cell surface determinants
• CPC Class Codes: A61K 38/1774 Immunoglobulin superfamily (e.g. CD2, CD4, CD8, ICAM molecules, B7 molecules, Fc-receptors, MHC-molecules)
• CPC Class Codes: A61K 39/0011 Cancer antigens
• CPC Class Codes: A61K 39/001102 Receptors, cell surface antigens or cell surface determinants
• CPC Class Codes: A61K 39/001104 Epidermal growth factor receptors [EGFR]
• CPC Class Codes: A61K 39/001106 Her-2/neu/ErbB2, Her-3/ErbB3 or Her 4/ErbB4
• CPC Class Codes: A61K 39/001108 Platelet-derived growth factor receptors [PDGFR]
• CPC Class Codes: A61K 39/001111 Immunoglobulin superfamily
• CPC Class Codes: A61K 39/001112 CD19 or B4
• CPC Class Codes: A61K 39/001113 CD22, BL-CAM, siglec-2 or sialic acid- binding Ig-related lectin 2
• CPC Class Codes: A61K 39/001117 Receptors for tumor necrosis factors [TNF], e.g. lymphotoxin receptor [LTR] or CD30
• CPC Class Codes: A61K 39/001119 Receptors for interleukins [IL]
• CPC Class Codes: A61K 39/001122 Ephrin Receptors [Eph]
• CPC Class Codes: A61K 39/001124 CD20
• CPC Class Codes: A61K 39/001126 : CD38 not IgG
• CPC Class Codes: A61K 39/001129 : Molecules with a "CD" designation not provided for elsewhere
• CPC Class Codes: A61K 39/001149 : Cell cycle regulated proteins, e.g. cyclin, CDC, CDK or INK-CCR
• CPC Class Codes: A61K 39/001151 : p53
• CPC Class Codes: A61K 39/001152 : Transcription factors, e.g. SOX or c-MYC
• CPC Class Codes: A61K 39/001153 : Wilms tumor 1 [WT1]
• CPC Class Codes: A61K 39/001156 : Tyrosinase and tyrosinase related proteinases [TRP-1 or TRP-2]
• CPC Class Codes: A61K 39/001157 : Telomerase or TERT [telomerase reverse transcriptase]
• CPC Class Codes: A61K 39/00116 : Serine proteases, e.g. kallikrein
• CPC Class Codes: A61K 39/001164 : GTPases, e.g. Ras or Rho
• CPC Class Codes: A61K 39/001166 : Adhesion molecules, e.g. NRCAM, EpCAM or cadherins
• CPC Class Codes: A61K 39/001168 : Mesothelin [MSLN]
• CPC Class Codes: A61K 39/00117 : Mucins, e.g. MUC-1
• CPC Class Codes: A61K 39/001171 : Gangliosides, e.g. GM2, GD2 or GD3
• CPC Class Codes: A61K 39/001176 : Heat shock proteins
• CPC Class Codes: A61K 39/00118 : from embryonic or fetal origin
• CPC Class Codes: A61K 39/001182 : Carcinoembryonic antigen [CEA]
• CPC Class Codes: A61K 39/001184 : Cancer testis antigens, e.g. SSX, BAGE, GAGE or SAGE
• CPC Class Codes: A61K 39/001186 : MAGE
• CPC Class Codes: A61K 39/001188 : NY-ESO
• CPC Class Codes: A61K 39/00119 : Melanoma antigens
• CPC Class Codes: A61K 39/001191 : Melan-A/MART
• CPC Class Codes: A61K 39/001193 : Prostate associated antigens e.g. Prostate stem cell antigen [PSCA]; Prostate carcinoma tumor antigen [PCTA]; PAP or PSGR
• CPC Class Codes: A61K 39/001196 : Fusion proteins originating from gene translocation in cancer cells
• CPC Class Codes: A61K 39/001197 : Breakpoint cluster region-abelson tyrosine kinase [BCR-ABL]
• CPC Class Codes: A61K 39/39558 : against tumor tissues, cells, antigens
• CPC Class Codes: A61K 45/06 : Mixtures of active ingredients without chemical characterisation, e.g. antiphlogistics and cardiaca
• CPC Class Codes: A61K 9/0019 : Injectable compositions; Intramuscular, intravenous, arterial, subcutaneous administration; Compositions to be administered through the skin in an invasive manner non-active ingredients are additionally classified in A61K47/00
• CPC Class Codes: C07K 14/47 : from mammals
• CPC Class Codes: C07K 14/7051 : T-cell receptor (TcR)-CD3 complex
• CPC Class Codes: C07K 14/70521 : CD28, CD152
• CPC Class Codes: C07K 14/70578 : NGF-receptor/TNF-receptor superfamily, e.g. CD27, CD30, CD40, CD95 NGF-receptor C07K14/71, TNF-receptor C07K14/7151
• CPC Class Codes: C07K 16/32 : against translation products of oncogenes
• CPC Class Codes: C07K 2317/622 : Single chain antibody (scFv)
• CPC Class Codes: C07K 2317/732 : Antibody-dependent cellular cytotoxicity [ADCC]
• CPC Class Codes: C07K 2317/76 : Antagonist effect on antigen, e.g. neutralization or inhibition of binding
• CPC Class Codes: C07K 2317/92 : Affinity (KD), association rate (Ka), dissociation rate (Kd) or EC50 value
• CPC Class Codes: C07K 2319/02 : containing a signal sequence
• CPC Class Codes: C07K 2319/03 : containing a transmembrane segment
• CPC Class Codes: C07K 2319/035 : containing a signal for targeting to the external surface of a cell, e.g. to the outer membrane of Gram negative bacteria, GPI- anchored eukaryote proteins
• CPC Class Codes: C07K 2319/30 : Non-immunoglobulin-derived peptide or protein having an immunoglobulin constant or Fc region, or a fragment thereof, attached thereto
• CPC Class Codes: C12N 2510/00 : Genetically modified cells
• CPC Class Codes: C12N 2740/15043 : viral genome or elements thereof as genetic vector
• CPC Class Codes: C12N 5/0637 : Immunosuppressive T lymphocytes, e.g. regulatory T cells or Treg
• CPC Class Codes: C12N 7/00 : Viruses; Bacteriophages; Compositions thereof; Preparation or purification thereof preparing medicinal viral antigen or antibody compositions, e.g. virus vaccines, A61K39/00

Abstract

The invention provides compositions and methods for treating diseases associated with expression of a cancer associated antigen as described herein. The invention also relates to chimeric antigen receptor (CAR) specific to a cancer associated antigen as described herein, vectors encoding the same, and recombinant T cells comprising the CARs of the present invention. The invention also includes methods of administering a genetically modified T cell expressing a CAR that comprises an antigen binding domain that binds to a cancer associated antigen as described herein.

Claims

1. A composition comprising a nucleic acid molecule encoding a chimeric antigen receptor and a nucleic acid molecule encoding a RIAD polypeptide or an Ezrin polypeptide.

2. The composition of claim 1, wherein said RIAD polypeptide comprises a RISR subunit or an Ezrin-derived RISR subunit.

3. The composition of claim 2, wherein said RIAD polypeptide comprises a RISR subunit and said RISR subunit comprises a polypeptide having an amino acid sequence having at least 90% identity to SEQ ID NO:

64.

4. The composition of claim 3, wherein said RISR subunit comprises a polypeptide having an amino acid sequence having at least 95% identity to SEQ ID NO:

64.

5. The composition of claim 4, wherein said RISR subunit comprises a polypeptide having an amino acid sequence having SEQ ID NO:

64.

6. The composition of claim 1, wherein said RIAD polypeptide comprises an amino acid sequence having at least 90% identity to the sequence of SEQ ID NO:

63.

7. The composition of claim 6, wherein said RIAD polypeptide comprises an amino acid sequence having at least 95% identity to the sequence of SEQ ID NO:

63.

8. The composition of claim 7, wherein said RIAD polypeptide comprises an amino acid sequence having the sequence of SEQ ID NO:

63.

9. The composition of claim 2, wherein said RIAD polypeptide comprises an amino acid sequence having the sequence of SEQ ID NO:

65.

10. The composition of claim 1, wherein said chimeric antigen receptor comprises an antigen binding domain, a transmembrane domain, and an intracellular domain comprising a costimulatory domain and/or a primary signaling domain.

11. The composition of claim 10, wherein said antigen binding domain binds a tumor antigen.

12. The composition of claim 11, wherein said tumor antigen is selected from the group consisting of:

CD19;

CD123;

CD22;

CD30;

CD171;

CS-1 (also referred to as CD2 subset 1, CRACC, SLAMF7, CD319, and 19A24);

C-type lectin-like molecule-1 (CLL-1 or CLECL1);

CD33;

epidermal growth factor receptor variant III (EGFRvIII);

ganglioside G2 (GD2);

ganglioside GD3 (aNeu5Ac(2-8)aNeu5Ac(2-3)bDGalp(1-4)bDGlcp(1-1)Cer);

TNF receptor family member B cell maturation (BCMA);

Tn antigen ((Tn Ag) or (GalNAcaSer/Thr));

prostate-specific membrane antigen (PSMA);

Receptor tyrosine kinase-like orphan receptor 1 (ROR1);

Fms-Like Tyrosine Kinase 3 (FLT3);

Tumor-associated glycoprotein 72 (TAG72);

CD38;

CD44v6;

Carcinoembryonic antigen (CEA);

Epithelial cell adhesion molecule (EPCAM);

B7H3 (CD276);

KIT (CD117);

Interleukin-13 receptor subunit alpha-2 (IL-13Ra2 or CD213A2);

Mesothelin;

Interleukin 11 receptor alpha (IL11Ra);

prostate stem cell antigen (PSCA);

Protease Serine 21 (Testisin or PRSS21);

vascular endothelial growth factor receptor 2 (VEGFR2);

Lewis(Y) antigen;

CD24;

Platelet derived growth factor receptor beta (PDGFR-beta);

Stage-specific embryonic antigen-4 (SSEA-4);

CD20;

Folate receptor alpha;

Receptor tyrosine-protein kinase ERBB2 (Her2/neu);

Mucin 1, cell surface associated (MUC1);

epidermal growth factor receptor (EGFR);

neural cell adhesion molecule (NCAM);

Prostase;

prostatic acid phosphatase (PAP);

elongation factor 2 mutated (ELF2M);

Ephrin B2;

fibroblast activation protein alpha (FAP);

insulin-like growth factor 1 receptor (IGF-I receptor), carbonic anhydrase IX (CAIX);

Proteasome (Prosome, Macropain) Subunit, Beta Type, 9 (LMP2);

glycoprotein 100 (gp

     100);

oncogene fusion protein consisting of breakpoint cluster region (BCR) and Abelson murine leukemia viral oncogene homolog 1 (Abl) (bcr-abl);

tyrosinase;

ephrin type-A receptor 2 (EphA2);

Fucosyl GM1;

sialyl Lewis adhesion molecule (sLe);

ganglioside GM3 (aNeu5Ac(2-3)bDGalp(1-4)bDGlcp(1-1)Cer);

transglutaminase 5 (TGS5);

high molecular weight-melanoma-associated antigen (HMWMAA);

o-acetyl-GD2 ganglioside (OAcGD2);

Folate receptor beta;

tumor endothelial marker 1 (TEM1/CD248);

tumor endothelial marker 7-related (TEM7R);

claudin 6 (CLDN6);

thyroid stimulating hormone receptor (TSHR);

G protein-coupled receptor class C group 5, member D (GPRC5D);

chromosome X open reading frame 61 (CXORF61);

CD97;

CD179a;

anaplastic lymphoma kinase (ALK);

Polysialic acid;

placenta-specific 1 (PLAC1);

hexasaccharide portion of globoH glycoceramide (GloboH);

mammary gland differentiation antigen (NYBR-1);

uroplakin 2 (UPK2);

Hepatitis A virus cellular receptor 1 (HAVCR1);

adrenoceptor beta 3 (ADRB3);

pannexin 3 (PANX3);

G protein-coupled receptor 20 (GPR20);

lymphocyte antigen 6 complex, locus K 9 (LY6K);

Olfactory receptor 51E2 (OR51E2);

TCR Gamma Alternate Reading Frame Protein (TARP);

Wilms tumor protein (WT1);

Cancer/testis antigen 1 (NY-ES0-1);

Cancer/testis antigen 2 (LAGE-1a);

Melanoma associated antigen 1 (MAGE-A1);

ETS translocation-variant gene 6, located on chromosome 12p (ETV6-AML);

sperm protein 17 (SP A1

     7);

X Antigen Family, Member IA (XAGE1);

angiopoietin-binding cell surface receptor 2 (Tie

     2);

melanoma cancer testis antigen-I (MAD-CT-1);

melanoma cancer testis antigen-2 (MAD-CT-2);

Fas-related antigen 1;

tumor protein p53 (p53);

p53 mutant;

prostein;

surviving;

telomerase;

prostate carcinoma tumor antigen-I (PCT A-1 or Galectin

     8), melanoma antigen recognized by T cells 1 (MelanA or MARTI);

Rat sarcoma (Ras) mutant;

human Telomerase reverse transcriptase (hTERT);

sarcoma translocation breakpoints;

melanoma inhibitor of apoptosis (ML-IAP);

ERG (transmembrane protease, serine 2 (TMPRSS2) ETS fusion gene);

NAcetyl glucosaminyl-transferase V (NA17);

paired box protein Pax-3 (PAX3);

Androgen receptor;

Cyclin B1;

v-myc avian myelocytomatosis viral oncogene neuroblastoma derived homolog (MYCN);

Ras Homolog Family Member C (RhoC);

Tyrosinase-related protein 2 (TRP-2);

Cytochrome P450 1B 1 (CYPIB

     1);

CCCTC-Binding Factor (Zinc Finger Protein)Like (BORIS or Brother of the Regulator of Imprinted Sites), Squamous Cell Carcinoma Antigen Recognized By T Cells 3 (SART3);

Paired box protein Pax-5 (PAX5);

proacrosin binding protein sp32 (OY-TES1);

lymphocyte-specific protein tyrosine kinase (LCK);

A kinase anchor protein 4 (AKAP-4);

synovial sarcoma, X breakpoint 2 (SSX2);

Receptor for Advanced Glycation Endproducts (RAGE-1);

renal ubiquitous 1 (RU1);

renal ubiquitous 2 (RU2);

legumain;

human papilloma virus E6 (HPV E6);

human papilloma virus E7 (HPV E7);

intestinal carboxyl esterase;

heat shock protein 70-2 mutated (mut hsp70-2);

CD79a;

CD79b;

CD72;

Leukocyte-associated immunoglobulin-like receptor 1 (LAIR1);

Fc fragment of IgA receptor (FCAR or CD89);

Leukocyte immunoglobulin-like receptor subfamily A member 2 (LILRA2);

CD300 molecule-like family member f (CD300LF);

C-type lectin domain family 12 member A (CLEC12A);

bone marrow stromal cell antigen 2 (BST2);

EGF-like module-containing mucin-like hormone receptor-like 2 (EMR2);

lymphocyte antigen 75 (L Y75);

Glypican-3 (GPC3);

Fe receptor-like 5 (FCRL5); and

immunoglobulin lambda-like polypeptide 1 (IGLL1).

13. The composition of claim 10, wherein said intracellular domain comprises a primary signaling domain and a costimulatory domain.

14. The composition of claim 10, wherein said intracellular domain comprises a primary signaling domain comprising a functional signaling domain of one or more proteins selected from the group consisting of CD3 zeta, CD3 gamma, CD3 delta, CD3 epsilon, common FcR gamma (FCER1G), FcR beta (Fc Epsilon R1b), CD79a, CD79b, Fcgamma RIIa, DAP10, and DAP12.

15. The composition of claim 10, wherein said intracellular domain comprises a costimulatory domains comprising a functional domains of one or more proteins selected from the group consisting of CD27, CD28, 4-1BB (CD137), OX40, CD30, CD40, PD-1, ICOS, lymphocyte function-associated antigen-I (LFA-1), CD2, CD7, LIGHT, NKG2C, B7-H3, a ligand that specifically binds with CD83, CD5, ICAM-1, GITR, BAFFR, HVEM (LIGHTR), SLAMF7, NKp80 (KLRF1), CD160, CD19, CD4, CD8alpha, CD8beta, IL2R beta, IL2R gamma, IL7R alpha, ITGA4, VLA1, CD49a, ITGA4, IA4, CD49D, ITGA6, VLA-6, CD49f, ITGAD, CD11d, ITGAE, CD103, ITGAL, CD11a, LFA-1, ITGAM, CD11b, ITGAX, CD11c, ITGB1, CD29, ITGB2, CD18, LFA-1, ITGB7, TNFR2, TRANCE/RANKL, DNAM1 (CD226), SLAMF4 (CD244, 2B4), CD84, CD96 (Tactile), CEACAM1, CRTAM, Ly9 (CD229), CD160 (BY55), PSGL1, CD100 (SEMA4D), CD69, SLAMF6 (NTB-A, Ly108), SLAM (SLAMF1, CD150, IPO-3), BLAME (SLAMF8), SELPLG (CD162), LTBR, LAT, GADS, SLP-76, PAG/Cbp, NKp44, NKp30, NKp46, and NKG2D.

16. The composition of claim 10, wherein the antigen binding domain comprises an antibody, an antibody fragment, an scFv, a Fv, a Fab, a (Fab′

)2, a single domain antibody (SDAB), a VH or VL domain, or a camelid VHH domain.

17. The composition of claim 10, wherein the transmembrane domain comprises a transmembrane domain of a protein selected from the group consisting of the alpha, beta or zeta chain of the T-cell receptor, CD28, CD3 epsilon, CD45, CD4, CD5, CD8, CD9, CD16, CD22, CD33, CD37, CD64, CD80, CD86, CD134, CD137, CD154, KIRDS2, OX40, CD2, CD27, LFA-1 (CD11a, CD18), ICOS (CD278), 4-1BB (CD137), GITR, CD40, BAFFR, HVEM (LIGHTR), SLAMF7, NKp80 (KLRF1), CD160, CD19, IL2R beta, IL2R gamma, IL7Ra, ITGA1, VLA1, CD49a, ITGA4, IA4, CD49D, ITGA6, VLA-6, CD49f, ITGAD, CD11d, ITGAE, CD103, ITGAL, CD11a, LFA-1, ITGAM, CD11b, ITGAX, CD11c, ITGB1, CD29, ITGB2, CD18, LFA-1, ITGB7, TNFR2, DNAM1 (CD226), SLAMF4 (CD244, 2B4), CD84, CD96 (Tactile), CEACAM1, CRTAM, Ly9 (CD229), CD160 (BY55), PSGL1, CD100 (SEMA4D), SLAMF6 (NTB-A, Ly108), SLAM (SLAMF1, CD150, IPO-3), BLAME (SLAMF8), SELPLG (CD162), LTBR, PAG/Cbp, NKp44, NKp30, NKp46, NKG2D, and NKG2C.

18. The composition of claim 10, wherein the encoded transmembrane domain comprises:

an amino acid sequence having at least one, two or three modifications but not more than 20, 10 or 5 modifications of an amino acid sequence of SEQ ID NO;

12, or a sequence with 95-99% identity to an amino acid sequence of SEQ ID NO;

12;

or the amino acid sequence of SEQ ID NO;

12.

19. The composition of claim 10, wherein the nucleic acid sequence encoding the transmembrane domain comprises a nucleotide sequence of SEQ ID NO:

13, or a sequence with 95-99% identity thereof.

20. The composition of claim 10, wherein the antigen binding domain is connected to the transmembrane domain by a hinge region, wherein said hinge region nucleic acid encodes an amino acid sequence comprising SEQ ID NO:

6, or a sequence with 95-99% identity thereof;

or said hinge region comprises the nucleotide sequence of SEQ ID NO;

7, or a nucleotide sequence with 95-99% identity thereof;

or wherein the chimeric antigen receptor comprises a leader region, wherein said leader region encodes an amino acid sequence comprising SEQ ID NO;

2, or a sequence with 95-99% identity thereof;

or said leader region comprises the nucleotide sequence of SEQ ID NO;

3, or a nucleotide sequence with 95-99% identity thereof.

21. The composition of claim 10, wherein the encoded intracellular domain comprises the sequence of SEQ ID NO:

14 or SEQ ID NO;

16, and the sequence of SEQ ID NO;

18 or SEQ ID NO;

20, wherein the sequences comprising the intracellular signaling domain are expressed in the same frame and as a single polypeptide chain.

22. The composition of claim 10, wherein the nucleic acid sequence encoding the intracellular signaling domain comprises a sequence of SEQ ID NO:

15 or SEQ ID NO;

17, or a sequence with 95-99% identity thereof, and a sequence of SEQ ID NO;

19 or SEQ ID NO;

21, or a sequence with 95-99% identity thereof.

23. The composition of claim 1, wherein the encoded chimeric antigen receptor further comprises a leader sequence comprising SEQ ID NO:

2.

24. The composition of claim 1, wherein said chimeric antigen receptor and RIAD polypeptide are encoded by a single nucleic molecule in the same frame and as a single polypeptide chain.

25. The composition of claim 24, wherein said RIAD polypeptide is attached to the N-terminus of said chimeric antigen receptor.

26. The composition of claim 24, wherein said RIAD polypeptide and chimeric antigen receptor are separated by one or more peptide cleavage sites.

27. The composition of claim 26, wherein said peptide cleavage site is an autocleavage site or a substrate for an intracellular protease.

28. The composition of claim 27, wherein said peptide cleavage site is a T2A site.

29. The composition of claim 1, wherein said chimeric antigen receptor and said RIAD polypeptide are encoded by a single nucleic molecule and are not expressed as a single polypeptide.

30. The composition of claim 29, wherein the expression of said chimeric antigen receptor and said RIAD polypeptide is controlled by a common promoter.

31. The composition of claim 30, wherein the nucleic acid encoding said chimeric antigen receptor and the nucleic acid encoding said RIAD polypeptide are separated by an internal ribosomal entry site.

32. The composition of claim 29, wherein the expression of said chimeric antigen receptor and said RIAD polypeptide is controlled by separate promoters.

33. The composition of claim 1, wherein said composition consists of a single isolated nucleic acid.

34. A polypeptide encoded by the single nucleic acid molecule of claim 24.

35. A vector comprising the single nucleic acid molecule of claim 24, wherein the vector is selected from the group consisting of a DNA vector, an RNA vector, a plasmid, a lentivirus vector, adenoviral vector, or a retrovirus vector.

36. The vector of claim 35, further comprising a promoter chosen from an EF-1 promoter, a CMV IE gene promoter, an EF-1α

promoter, an ubiquitin C promoter, or a phosphoglycerate kinase (PGK) promoter.

37. The vector of claim 36, wherein the EF-1 promoter comprises a sequence of SEQ ID NO:

1.

38. The vector of claim 35, wherein the vector is an in vitro transcribed vector, or the vector further comprises a poly(A) tail or a 3′

UTR.

39. The composition of claim 1, wherein said nucleic acid molecule encoding a chimeric antigen receptor and nucleic acid molecule encoding an RIAD polypeptide are separate nucleic acid molecules.

40. An immune effector cell comprising

the nucleic acid molecule encoding a chimeric antigen receptor and nucleic acid molecule encoding a RIAD polypeptide or Ezrin polypeptide of claim 1.

41. The cell of claim 40, wherein the immune effector cell is a human T cell or a human NK cell, optionally, wherein the T cell is diacylglycerol kinase (DGK) and/or Ikaros deficient.

42. A method of making a chimeric antigen receptor and RIAD polypeptide-expressing or Ezrin polypeptide-expressing immune effector cell, comprising introducing a vector of claim 35, into an immune effector cell, under conditions such that the chimeric antigen receptor molecule is expressed.

43. The method of claim 42, further comprising:

providing a population of immune effector cells; and

removing T regulatory cells from the population, thereby providing a population of T regulatory-depleted cells;

wherein steps a) and b) are performed prior to introducing the nucleic acid (or nucleic acids) encoding the chimeric antigen receptor and RIAD polypeptide or Ezrin polypeptide to the population.

44. The method of claim 43, wherein the T regulatory cells are removed from the cell population using an anti-CD25 antibody, or an anti-GITR antibody.

45. A method of providing anti-tumor immunity in a subject comprising administering to the subject an effective amount of the immune effector cell of claim 39, wherein the cell is an autologous T cell or an allogeneic T cell, or an autologous T cell or an allogeneic NK cell.

46. The method of claim 45, wherein the allogeneic T cell or allogeneic NK cell lacks expression or has low expression of a functional TCR or a functional HLA.

47. A method of treating a subject having a disease associated with expression of a tumor antigen, comprising administering to the subject an effective amount of an immune effector cell of claim 40, thereby treating the subject.

48. The method of claim 47, said method further comprising administering an agent that increases the efficacy of the immune effector cell, thereby treating the subject.

49. The method of claim 48, wherein said agent is chosen from one or more of:

a protein phosphatase inhibitor;

a kinase inhibitor;

a cytokine;

an inhibitor of an immune inhibitory molecule;

or

an agent that decreases the level or activity of a TREG cell.

50. The method of claim 47, wherein the disease associated with expression of the tumor antigen is selected from the group consisting of a proliferative disease, a precancerous condition, a cancer, and a non-cancer related indication associated with expression of the tumor antigen.

51. The method of claim 50, wherein the cancer is a hematologic cancer chosen from one or more of chronic lymphocytic leukemia (CLL), acute leukemias, acute lymphoid leukemia (ALL), B-cell acute lymphoid leukemia (B-ALL), T-cell acute lymphoid leukemia (T-ALL), chronic myelogenous leukemia (CML), B cell prolymphocytic leukemia, blastic plasmacytoid dendritic cell neoplasm, Burkitt'"'"'s lymphoma, diffuse large B cell lymphoma, follicular lymphoma, hairy cell leukemia, small cell- or a large cell-follicular lymphoma, malignant lymphoproliferative conditions, MALT lymphoma, mantle cell lymphoma, marginal zone lymphoma, multiple myeloma, myelodysplasia and myelodysplastic syndrome, non-Hodgkin'"'"'s lymphoma, Hodgkin'"'"'s lymphoma, plasmablastic lymphoma, plasmacytoid dendritic cell neoplasm, Waldenstrom macroglobulinemia, or pre-leukemia.

52. The method of claim 51, wherein the cancer is selected from the group consisting of colon cancer, rectal cancer, renal-cell carcinoma, liver cancer, non-small cell carcinoma of the lung, cancer of the small intestine, cancer of the esophagus, melanoma, bone cancer, pancreatic cancer, skin cancer, cancer of the head or neck, cutaneous or intraocular malignant melanoma, uterine cancer, ovarian cancer, rectal cancer, cancer of the anal region, stomach cancer, testicular cancer, uterine cancer, carcinoma of the fallopian tubes, carcinoma of the endometrium, carcinoma of the cervix, carcinoma of the vagina, carcinoma of the vulva, Hodgkin'"'"'s Disease, non-Hodgkin'"'"'s lymphoma, cancer of the endocrine system, cancer of the thyroid gland, cancer of the parathyroid gland, cancer of the adrenal gland, sarcoma of soft tissue, cancer of the urethra, cancer of the penis, solid tumors of childhood, cancer of the bladder, cancer of the kidney or ureter, carcinoma of the renal pelvis, neoplasm of the central nervous system (CNS), primary CNS lymphoma, tumor angiogenesis, spinal axis tumor, brain stem glioma, pituitary adenoma, Kaposi'"'"'s sarcoma, epidermoid cancer, squamous cell cancer, T-cell lymphoma, environmentally induced cancers, combinations of said cancers, and metastatic lesions of said cancers.

53-54. -54. (canceled)